Welcome to our store! Description: With a hanging hole design, this speaker is small and lightweight, making it easy to carry. It features a low voltage, low power consumption, power amplifier IC, providing pure sound quality with low distortion. The speaker is suitable for MP3, MP4, MP5, mobile phones, computers, and other devices with a 3.5mm audio jack. It comes with an audio cable at the bottom and is equipped with a USB charging cable. The unique retractable design adds to its appeal. The built-in 180mah battery eliminates the need for an external power supply and provides one and a half hours of playtime at maximum volume or approximately 3 hours at 50% volume. Specifications: - Material: ABS - Size: Approx. 52 x 52 x 38 mm / 2.0 x 2.0 x 1.5 inches - Impedance: 4 (Ω) - Distortion: 0.5 (%) - Frequency Response: 200-20K (Hz) - Sensitivity SNR: ≥ 89db (dB) - Speaker Unit Size: 3.5 (mm) - Carrying Capacity: 2.2 - Battery Capacity: 180mah - Charging Cable Length: 50cm / 19.7inch - Standalone: 3.5 mm / 0.14 inch - Audio Cable Length: Approx. 9cm / 3.5inch - Package Weight: 78g Package List: - 1 x Speaker - 1 x USB Charging Cable 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the item, such as damage and incorrect quantity of goods, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.